Vulnerability Name:

CVE-2021-31006 (CCN-227428)

Assigned:2021-08-24
Published:2021-08-24
Updated:2022-05-31
Summary:Description: A permissions issue was addressed with improved validation. This issue is fixed in watchOS 7.6, tvOS 14.7, macOS Big Sur 11.5. A malicious application may be able to bypass certain Privacy preferences.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-276
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-31006

Source: XF
Type: UNKNOWN
apple-macos-cve202131006-sec-bypass(227428)

Source: CCN
Type: Apple security document HT212602
About the security content of macOS Big Sur 11.5

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212602

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212604

Source: MISC
Type: Vendor Advisory
https://support.apple.com/en-us/HT212605

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 7.6)
  • OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 14.7)
  • OR cpe:/o:apple:macos:*:*:*:*:*:*:*:* (Version >= 11.0 and < 11.5)

  • Configuration CCN 1:
  • cpe:/o:apple:watchos:7.5:*:*:*:*:*:*:*
  • OR cpe:/o:apple:tvos:14.6:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos_big_sur:11.4:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apple watchos *
    apple tvos *
    apple macos *
    apple watchos 7.5
    apple tvos 14.6
    apple macos big sur 11.4